Samsung SoC’s recommended configuration

To minimize the causes of Samsung SoC displays unexpectedly switching off, we recommend using the settings shown below.
First you have to unlock the settings to be able to change them. Follow these steps to unlock them:

Press the HOME button.

Go to More settings.

Press RETURN to go back to the home screen.

Press SOURCE and change to any other source option available.

Press the MENU again.

Now you will see that the settings are unlocked and can be changed. Follow the steps below and make sure that the your screen settings reflect the options shown in the images:
Step 1:
Press the HOME button and go to More settings.

Step 2:
Select System and then Auto Source Switching.

Step 3:
Within Auto Source Switching, make sure the option is Off.

Paso 4:
Press the RETURN button to go back to the System menu, and select Power Control. Make sure the Standby Control is Off.

Paso 5:
Within Power Control, select PC Module Power. Make sure Synced power-on is set to On.

Paso 6:
Press the RETURN button to go back to the System menu, and select Eco Solution. Make sure all the options are Off.